package com.ym.design.impl;

/**
 * @author <a href="mailto:15105201014@163.com">YM</a>
 * @description 扩展集成
 * @date 2024/5/14 11:47
 */
public class CalculationAreaExt extends CalculationArea {

    private final static double π = 3.141592653D;

    @Override
    public double circular(double r) {
        return π * r * r;
    }

}
